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Finding the Fourth Proportional to 17,812.84, 26,714.04 and 6,711.52

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Solution

The fourth proportional to 17,812.84, 26,714.04 and 6,711.52 is: 10,065.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.84 : 26,714.04 = 6,711.52 : x
  2. Step 2: Convert to fraction form
    17,812.84/26,714.04 = 6,711.52/x
  3. Step 3: Cross multiply
    17,812.84x = 26,714.04 × 6,711.52
  4. Step 4: Simplify right side
    17,812.84x = 179,291,813.74
  5. Step 5: Solve for x
    x = 179,291,813.74/17,812.84
  6. Step 6: Final answer
    x = 10,065.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.